Features

• Categorized in 17032

  Trading Shares in Milliseconds

  Today’s stock market has become a world of automated transactions executed at lightning speed. This high-frequency trading could make the financial system more efficient, but it could also turn small mistakes into catastrophes.

  
• Categorized in 17037

  The Geoengineering Gambit

  For years, radical thinkers have proposed risky technologies that they say could rapidly cool the earth and offset global warming. Now a growing number of mainstream climate scientists say we may have to consider extreme action despite the dangers.